1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | cfMesh: A library for mesh generation
5 \\ / A nd | Author: Franjo Juretic (franjo.juretic@c-fields.com)
6 \\/ M anipulation | Copyright (C) Creative Fields, Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of cfMesh.
11 cfMesh is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 3 of the License, or (at your
14 option) any later version.
16 cfMesh is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with cfMesh. If not, see <http://www.gnu.org/licenses/>.
26 \*---------------------------------------------------------------------------*/
28 #include "polyMeshGenModifier.H"
29 #include "demandDrivenData.H"
30 #include "labelList.H"
35 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
37 void polyMeshGenModifier::removeUnusedVertices()
39 faceListPMG& faces = mesh_.faces_;
40 pointFieldPMG& points = mesh_.points_;
42 boolList usePoint(points.size(), false);
45 const face& f = faces[faceI];
48 usePoint[f[pI]] = true;
51 labelLongList newLabel(points.size(), -1);
55 newLabel[pI] = nPoints++;
57 //- remove unused points from the list
59 if( (newLabel[pI] != -1) && (newLabel[pI] < pI) )
61 points[newLabel[pI]] = points[pI];
64 points.setSize(nPoints);
68 face& f = faces[faceI];
71 f[pI] = newLabel[f[pI]];
74 mesh_.updatePointSubsets(newLabel);
80 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
82 } // End namespace Foam
84 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //